A stand density diagram for Japanese black pine (Pinus thunbergii Parlat) planted on seashores of Toyama prefecture [Japan]
2004
Kato, A.(Toyama-ken. Forestry and Forest Products Research Center, Imizu (Japan)) | Nishihara, M.
The stem number per ha, tree height, and the diameter of a tree at the breast-height were measured in 30 stands of Japanese black pine (Pinus thunbergii Parlat) planted on seashores of Toyama prefecture, and a stand density control diagram for the pine trees was adjusted. A method of stand density control for the pine trees was examined by using the stand density control diagram in ordor to prevent snow damage of the pine-tree stand and wind damage or salty wind damage of a paddy field by the pine-tree stand. Stand density of the pine trees should be controlled in order to set a ceiling to the relative yield ratio below 0.7.
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